United States Geological Survey YearbookThe Survey, 1986 - Geology |
From inside the book
Results 1-5 of 32
Page 3
... percent of annual precipitation and 75 percent of annual potential evapotranspira- tion . Seasonal trends in evapotranspiration rates were similar to those in net radiation ; the highest rate usually occurred in July , and the winter ...
... percent of annual precipitation and 75 percent of annual potential evapotranspira- tion . Seasonal trends in evapotranspiration rates were similar to those in net radiation ; the highest rate usually occurred in July , and the winter ...
Page 4
... percent of the mean volume of collapses that occurred during the first half of the period . In addition to affecting the stability of the surface at the site , the collapse features may enhance recharge ( fig . 5B ) . Geology Much of ...
... percent of the mean volume of collapses that occurred during the first half of the period . In addition to affecting the stability of the surface at the site , the collapse features may enhance recharge ( fig . 5B ) . Geology Much of ...
Page 8
... percent of the country . Completion of initial coverage is scheduled for the beginning of fiscal year 1990 . As the number of areas needing primary coverage has decreased and the need for revised maps and digital cartographic data has ...
... percent of the country . Completion of initial coverage is scheduled for the beginning of fiscal year 1990 . As the number of areas needing primary coverage has decreased and the need for revised maps and digital cartographic data has ...
Page 24
... percent of The Regional Aquifer Systems Analysis Program is a systematic study of a number of regional ground - water systems that represent a significant part of the Nation's water supply . The program includes assess- ment of ...
... percent of The Regional Aquifer Systems Analysis Program is a systematic study of a number of regional ground - water systems that represent a significant part of the Nation's water supply . The program includes assess- ment of ...
Page 35
... percent of the population in the conter- minous United States resides within the region covered by the map , which is less than 25 percent of the total area of the country . Population density this high neces- sitates regional ...
... percent of the population in the conter- minous United States resides within the region covered by the map , which is less than 25 percent of the total area of the country . Population density this high neces- sitates regional ...
Other editions - View all
Common terms and phrases
activities Administration Alaska aquifer areas basins California cartographic City Commission concentrations contaminants cooperation Coordination County data base Denver Denver Federal Center deposits digital cartographic data distribution drought earth-science earthquake Energy Environmental eruption Federal agencies Federal Bldg feet fiscal year 1986 flow format geographic information systems Geologist geophysical Gorda Ridge graphic ground water ground-water hazards hydrologic increased investigations Irrigation land Landsat levels located logical Survey Management Menlo Park ment miles mineral resource assessment monitoring National Center National Mapping Division National Water Office Operations organic Orinoco River Parkfield percent Planning potential precipitation production quadrangle radioactive waste radon Regional Reston River rocks runoff Salt Lake samples saturated zone scientific Scientific Drilling sediment seismic selenium Service soil sources Stop streamflow studies sulfide surface Survey's terranes tion Transportation trends U.S. Geological Survey United uranium Valley volcano waste Water District water quality Water Resources Division water-quality